Over the past three years, Facebook has helped spawn a whole new category of games that allow you to play with your friends online.
Along the way, it has also helped build several million-dollar companies. Zynga, which is reportedly going to file for an IPO any second, is the largest. Others, such as Playfish and Playdom, have been acquired by Electronic Arts and Disney respectively.
The Google+ project is the company’s most cohesive social strategy yet, so it would be the most likely candidate for more services and features to be layered on top over time, including a social game network.